JavaScript Mock Test 10

10%

Question 1 of 10

1. Which is the function used to call a function in every time duration?

callafter()

setTimeout()

setTime()

setInterval()

Question 1 of 10

Question 2 of 10

2. What happens when a View Model is destroyed?

doesn't affect even listeners

none of the mentioned

all event listeners are automatically removed

all event listeners are should be manually removed

Question 2 of 10

Question 3 of 10

3. How many elements can a valid react component return?

React doesn't return element

More than 1 element

1 Element

None of the mentioned

Question 3 of 10

Question 4 of 10

4. What is a Model in MVC?

the lowest level of the pattern responsible for maintaining data

None of the mentioned

represents server-side data

represents data stored in a database

Question 4 of 10

Question 5 of 10

5. What is the purpose of the userAgent property?

Identifying the data

Both Identifying the data and client

Identifying the dataset

Identifying the client

Question 5 of 10

Question 6 of 10

6. What is the property to access the first child of a node?

timestamp.Child(1)

timestamp.Child(0)

timestamp.firstChild

timestamp.Child1

Question 6 of 10

Question 7 of 10

7. What is the code snippet to change the class and let the stylesheet specify the details?

timestamp.className = "highlight";

timestamp.className = "change";

timestamp.className = "move";

timestamp.className = "specify";

Question 7 of 10

Question 8 of 10

8. Which is the element that follows the use of "img"?

map

any element can follow the use of "img"

area

usemap

Question 8 of 10

Question 9 of 10

9. What is the purpose of the method nodeMap.setNamedItem()?

Sets attribute node

Sets element type

Sets element name

Sets ID

Question 9 of 10

Question 10 of 10

10. Which of the following bootstrap styles can be used to create a default progress bar?

.progress, .progress-bar

.link-progress-bar

.nav-progress

All of the mentioned

Question 10 of 10